A written reply by the Treasury Minister to a parliamentary question by Lawrie Hooper MHK in June 2017 revealed the total profits earned by all Manx companies wholly-owned by Manx residents in 2015-16 (the latest available). It is £542m. If these profits were taxed at 20%, that would be an extra £108m for the Manx Government. The number of such wholly-owned companies was 7,321 – about one-quarter of all companies registered here: